diff --git a/include/libssh/pki.h b/include/libssh/pki.h
index 20fb7c96..f4dc9502 100644
--- a/include/libssh/pki.h
+++ b/include/libssh/pki.h
@@ -46,7 +46,7 @@ struct ssh_key_struct {
     void *cert;
 };
 
-void ssh_pki_log(const char *format, ...);
+void ssh_pki_log(const char *format, ...) PRINTF_ATTRIBUTE(1, 2);
 
 /* internal pki functions */
 ssh_key pki_key_dup(const ssh_key key, int demote);
diff --git a/src/ecdh.c b/src/ecdh.c
index 05e4ab92..75620e44 100644
--- a/src/ecdh.c
+++ b/src/ecdh.c
@@ -22,6 +22,7 @@
 #include "config.h"
 #include "libssh/session.h"
 #include "libssh/ecdh.h"
+#include "libssh/dh.h"
 #include "libssh/buffer.h"
 #include "libssh/ssh2.h"